Finding the Fourth Proportional to 121,694,414.48, 167,939,613.96 and 66,689,090
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Solution
The fourth proportional to 121,694,414.48, 167,939,613.96 and 66,689,090 is: 92,031,668.65
Step by Step Solution
- Step 1: Write the proportion equation
121,694,414.48 : 167,939,613.96 = 66,689,090 : x - Step 2: Convert to fraction form
121,694,414.48/167,939,613.96 = 66,689,090/x - Step 3: Cross multiply
121,694,414.48x = 167,939,613.96 × 66,689,090 - Step 4: Simplify right side
121,694,414.48x = 11,199,740,029,943,696 - Step 5: Solve for x
x = 11,199,740,029,943,696/121,694,414.48 - Step 6: Final answer
x = 92,031,668.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.